“Earth is smouldering. From Seattle to Siberia this summer, flames have consumed swathes of the northern hemisphere.” And humanity is not rising to the challenge. Three years following the Paris Accord, “greenhouse-gas emissions are up again. So are investments in oil and gas. In 2017, for the first time in four years, demand for coal rose. Subsidies for renewables, such as wind and solar power, are dwindling.” While “it is tempting to think these are temporary setbacks and that mankind, with its instinct for self-preservation, will muddle through to a victory over global warming. In fact, it is losing the war.”